The SFPD arrested the man in the trailer, who was later identified as 32-year-old Thomas Siderio of Philadelphia. He was booked into jail on suspicion of distributing nitrous oxide and possessing nitrous oxide "with intent to ingest for toxication," police said.

W hen Dead & Company announced the site for the celebration of the Grateful Dead's 60th anniversary, fans were delighted. Golden Gate Park played a defining role in the Dead's history, hosting performances that ranged from impromptu concerts to full-scale events.